The Sambor Prei Kuk historical complex has been identified as Isanapura, the 7th century capital of Chenla.
The Book of Sui, compiled in 636, states that at the beginning of the 7th century, Zhēnlà was ruled by one Yīshēnàxiāndài (Īśānavarman) (伊奢那先代).
[6]: 36–39 An inscription dating from the reign of Isanarvarman I, translated, reads: “The great King Isanavarman is full of glory and bravery.
[7] Dr Vong Sotheara, of the Royal University of Phnom Penh, claimed that the inscription would “prove that Suvarnabhumi was the Khmer Empire.” An incomplete inscription thought to be from the reign of King Isanavarman narrates, “The great King Īśānavarman is full of glory and bravery.
[9] Published as “Coedès‟ Histories of Cambodia”, in Silpakorn University International Journal (Bangkok,), Volume 1, Number 1, January–June 2000, pp.